› added 4 years ago

87

TIL: The Turkish city of Istanbul used to be called Constantinople

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0wbDj TIL that S6 is the only symmetric group with a non-trivial outer automorphism.
WJg4 TIL After leaving office, Harry Truman lived on $113 a month
5VYpB TIL For production of 'The Bellboy ' (1960) Jerry Lewis was actor and director, so he invented a system of multiple cameras and monitors enabling him to act, review the performance, and reshoot immediately. Lewis received the Golden Light Technical Achievement award for the invention.
dVk8 TIL that in the United States you have a 41% chance of being diagnosed with cancer at some point during your lifetime.
QR9E TIL that during the 1968 invasion of Czechoslovakia by Warsaw Pact soldiers, road signs in towns were removed or painted over to confuse invading troops—except for those indicating the way to Moscow.